/*
 *  Copyright 2007 Google Inc.

 * 	Licensed under the Apache License, Version 2.0 (the "License");
 *	you may not use this file except in compliance with the License.
 *	You may obtain a copy of the License at
 
 *  	http://www.apache.org/licenses/LICENSE-2.0

 *	Unless required by applicable law or agreed to in writing, software
 *	distributed under the License is distributed on an "AS IS" BASIS,
 *	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *	See the License for the specific language governing permissions and
 *	limitations under the License.

 */

package com.byjyate.rssdreamwork;

import javax.jdo.*;

public abstract class RepositoryBase {
	private static final PersistenceManagerFactory pmFactory = JDOHelper
			.getPersistenceManagerFactory("transactions-optional");
	private PersistenceManager persistenceManager = pmFactory
			.getPersistenceManager();

	protected PersistenceManager getPersistenceManager() {
		return persistenceManager;
	}

	public void saveObject(Object data) {
		persistenceManager.makePersistent(data);
	}

	public void deleteObject(Object data) {
		persistenceManager.deletePersistent(data);
	}

	public void close() {
		persistenceManager.close();
	}

	protected Object getObjectById(Class<?> classInfo, Object id) {
		try {
			return persistenceManager.getObjectById(classInfo, id);
		} catch (JDOObjectNotFoundException e) {
			return null;
		}
	}
}
